Finding the Fourth Proportional to 78,337.89, 108,106 and 42,527.64

Step by Step Solution

1. Step 1: Write the proportion equation
   78,337.89 : 108,106 = 42,527.64 : x
2. Step 2: Convert to fraction form
   78,337.89/108,106 = 42,527.64/x
3. Step 3: Cross multiply
   78,337.89x = 108,106 × 42,527.64
4. Step 4: Simplify right side
   78,337.89x = 4,597,493,049.84
5. Step 5: Solve for x
   x = 4,597,493,049.84/78,337.89
6. Step 6: Final answer
   x = 58,687.99